The mixed number 1 1/20 written as an improper fraction is 21/20
To turn the mixed number 1 1/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 1 × 20 = 20.
After that, add the result to the numerator of the fractional part: 20 + 1 = 21.
Next, Write the sum of the previous step on the original denominator: 21/20.
This means that 1 1/20, as an improper fraction, equals 21/20.
See also: 1 1/20 as a decimal